News Colombia

111 Years of Counting: Audubon’s Christmas Bird Count

Tue, 07/12/2010 - 06:50

The longest running Citizen Science survey in the world, Audubon’s (BirdLife Partner in the USA) annual Christmas Bird Count (CBC) will take place from December 14, 2010 to January 5, 2011. Tens of thousands of volunteers throughout North America will brave winter weather to add a new layer to over a century of data...

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